Pulmonary function testing

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Learn what happens during a pulmonary function test and how it is used to check how well your child's lungs are working.

Key points

  • Pulmonary function testing is a series of breathing tests. They measure how well your child's lungs are working.
  • The main test is called spirometry. During spirometry, your child will be asked to breathe into a mouthpiece so a computer can measure how much and how fast air can be blown from your child's lungs.
  • Pulmonary function tests do not hurt.
Last updated: March 17th 2010